How much revenue did Koatl the defender : The Lost Tunnels make?

Koatl the defender : The Lost Tunnels is free to play, so there is no copy-sales revenue to estimate.

How many copies did Koatl the defender : The Lost Tunnels sell?

Q: How many copies did Koatl the defender : The Lost Tunnels sell?

223 to 363 copies, based on its 9 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 223–363; from 9 reviews (9 user reviews); Only 9 reviews so far, so that range swings on one or two people. Read it as a hint, not a measurement.

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Koatl the defender : The Lost Tunnels and predicted how it would do from its 8 similar games. Every figure here, including Koatl the defender : The Lost Tunnels's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 2.1M–6.4M

best case 39.5M (Black Myth: Wukong)

Games like Koatl the defender : The Lost Tunnels

A typical game among these

≈ 2.1M–6.4M copies

≈ $35.5M–$84.8M after Steam's cut

from ~118k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

All 8 of the similar games are hits.

No genre covers most of these similar games. The closest is Action RPG (4 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Black Myth: Wukong at ≈ 30.1M–48.9M copies, ≈ $496.2M–$1334.2M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 77k reviews in their first month; the range was 5k to 836k.

The genre you'd be entering

These games: The similar games share Action RPG (4 of 8) and Open World (4 of 8).
The winners: Winners here lead with Mythology + Action RPG, priced around $60. The breakout hits carry Mythology + Souls-like + Story Rich; a typical game here doesn't.
When they shipped: Only 3 of the 8 similar games shipped in the last two years. That says more about which games were found than about the market.

How these numbers were worked out

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

Copies come from each game's reviews times a sales-per-review rate of about 31, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Dragon's Dogma 2 2024	Est. copies ≈ 2.9M–4.7M SteamSpy 2M–5M	Est. revenue $32.1M–$86.3M after Steam's cut $58.3M–$132.7M before Steam's cut	$39.99	118k reviews Mixed	Open WorldRPG
Black Myth: Wukong 2024	Est. copies ≈ 30.1M–48.9M 10x vs typical SteamSpy 50M–100M	Est. revenue $496.2M–$1334.2M after Steam's cut $902.2M–$2052.5M before Steam's cut	$59.99	1.2M reviews Overwhelmingly Positive	MythologyAction RPG
Dying Light 2 Stay Human: Reloaded Edition 2022	Est. copies ≈ 5.5M–8.9M 1.9x vs typical SteamSpy 5M–10M	Est. revenue $90.1M–$242.1M after Steam's cut $163.7M–$372.5M before Steam's cut	$59.99	220k reviews Mostly Positive	Open WorldCo-op
鬼谷八荒 Tale of Immortal 2023	Est. copies ≈ 5.6M–9.1M 1.9x vs typical SteamSpy 2M–5M	Est. revenue $30.6M–$82.4M after Steam's cut $55.7M–$126.8M before Steam's cut	$19.99	225k reviews Mixed	ManagementSingleplayer
FINAL FANTASY VII REMAKE INTERGRADE 2022	Est. copies ≈ 1.3M–2.1M SteamSpy 1M–2M	Est. revenue $14.5M–$39.1M after Steam's cut $26.4M–$60.2M before Steam's cut	$39.99	53k reviews Very Positive	RPGAction RPG
Starfield 2023	Est. copies ≈ 4.4M–7.1M SteamSpy 2M–5M	Est. revenue $59.8M–$160.9M after Steam's cut $108.8M–$247.5M before Steam's cut	$49.99	175k reviews Mixed	SpaceSingleplayer
The Elder Scrolls IV: Oblivion Remastered 2025	Est. copies ≈ 1.7M–2.8M SteamSpy 2M–5M	Est. revenue $24.0M–$64.5M after Steam's cut $43.6M–$99.3M before Steam's cut	$49.99	70k reviews Mostly Positive	RPGOpen World
Lords of the Fallen 2023	Est. copies ≈ 1.4M–2.3M SteamSpy 1M–2M	Est. revenue $11.6M–$31.1M after Steam's cut $21.0M–$47.8M before Steam's cut	$29.99	57k reviews Mixed	Souls-likeExploration